multiple occurrence Learn more about multiple occurrence
-
How to manage the multiplication of strawberry perennial herbs? How to control diseases and insect pests?
Strawberry is a perennial herb, flowering from April to May and fruiting from June to July. Strawberry has high nutritional value, contains a variety of nutrients, and has health care effect. So how to manage the propagation of strawberries, a perennial herb? How to control diseases and insect pests? Management measures of Strawberry Seedling Field
2019-03-18 -
The temperature difference between cold and hot in autumn and winter is large, and the multiple occurrence of pig lung disease needs timely prevention and control
The temperature difference between cold and hot in autumn and winter is large, and the multiple occurrence of pig lung disease needs timely prevention and control
2020-10-26 -
Prevention of Diseases and insect pests of Edible Fungi by multiple methods
Prevention of Diseases and insect pests of Edible Fungi by multiple methods
2019-07-03 -
Prevention and treatment of multiple diseases in autumn and winter in pigs
With the advent of autumn and winter, the occurrence of pig disease is obviously different from the epidemic and summer. First of all, due to the decline of air temperature, the incidence of viral diseases has greatly increased (such as swine influenza, transmissible gastroenteritis, classical swine fever, swine foot-and-mouth disease, etc.). The increase of feeding density and poor ventilation lead to the frequent occurrence of respiratory diseases (such as respiratory disease syndrome, porcine asthma, blue ear disease, etc.). With the occurrence of the above-mentioned diseases, many new characteristics have appeared in the epidemic of pig disease in recent years. This article focuses on the autumn of recent years.
2019-01-16 -
Multiple measures to Control Cotton Seedling Disease
As the cotton sowing period and after the emergence of Rain Water has been continuous, resulting in the death of seedlings this year is more serious than in previous years, the most serious has begun to destroy seeds. First, after the main symptoms of cotton seedlings are unearthed, yellow-brown disease spots appear at the base of the stem (where they meet the land), gradually protect large, sunken, rot, the color becomes black and brown, and the cotton seedlings die, which is a typical "blight disease", which is commonly known as "black neck" disease by cotton farmers. Second, the cause of death of seedlings 1. The sowing date is early and the temperature is low. According to the forecast of the meteorological department, the temperature in April 2008 was flatter than in previous years.
2019-01-15 -
Cause Analysis and Preventive measures of Multi-ear phenomenon in Maize
Cause Analysis and Preventive measures of Multi-ear phenomenon in Maize
2018-07-14 -
Usage and dosage of Bacillus thuringiensis
Bacillus thuringiensis can be sprayed and spread. Among them, the spray is used from the initial stage of the occurrence of pests or the peak incubation period of eggs, and 600-800 milliliters per mu is generally used on vegetables, beans and sweet potatoes. Sashi is mainly used to control Ostrinia furnacalis.
2020-11-09 Bacillus thuringiensis -
Pay attention to the prevention and treatment of respiratory diseases in pigs in winter
Winter is the season of frequent occurrence of pig respiratory diseases, which has caused serious losses to many pig farms, resulting in slow growth of pigs, reduced feed returns, increased mortality, postponement of listing and serious economic losses such as the vicious circle of management. First, occurrence characteristics 1. Mixed infection of multiple pathogens. Porcine respiratory diseases are mostly caused by the interaction of many factors, such as viruses, bacteria, parasites, environmental stress and low immunity of pigs.
2019-01-15 -
Prevention and control of porcine circovirus
Porcine circovirus infection (Porcinecircovirwsinfection) is an immunosuppressive infectious disease characterized by postweaning multiple system failure and dermatitis nephropathy caused by PCV- Ⅱ, which is characterized by physical decline, weight loss, pallor, diarrhea and reddish-purple spots on the skin. The disease was first reported by Canadian scholars in 1991 and has occurred in many countries and regions in the world in recent years. The disease was first reported in China in 2000. At present, pig density is raised in China.
2019-01-16 -
Pigs with multiple edema can not stand in autumn and winter to prevent swine edema disease.
Pigs with multiple edema can not stand in autumn and winter to prevent swine edema disease.
2018-07-11 -
A kind of medicine has multiple uses: inventory can kill both germs and insects!
In the process of planting, some medications are essential, sometimes sterilized and sometimes dewormed. So are there any potions that can kill both bacteria and insects? Let's take a look at it. 1. Stone-sulfur mixture, stone-sulfur mixture, it is believed that
2020-11-08 One kind of medicine a variety of use inventory not only can sterilization but also can in -
Recent attention should be paid to the prevention and treatment of multiple diseases in piglets.
Recent attention should be paid to the prevention and treatment of multiple diseases in piglets.
2018-07-10 -
The method of cultivating grafted rootstock seedlings of mango
There is only one seedling per seed of mango mono-embryo variety, while multi-embryo variety can germinate and grow into multiple seedlings. The single embryo seed has only one embryo (sexual embryo), the embryo is large, and the single seedling developed is strong; the polyembryonic seed has multiple embryos, the embryo is small, and the seedlings developed into multiple plants are weak.
2020-11-08 Cultivation mango grafting rootstock seedling method single embryo product -
Symptoms and control of walnut rot
1. Distribution and occurrence characteristics, also known as Blackwater disease, occur in Henan, Shanxi, Shandong, Sichuan and other places. The pathogen overwintered in the diseased part with mycelium or sporangium and conidium. After the flow of walnut sap in the next spring, conidia were produced under suitable conditions for the disease.
2020-11-27 Walnut rotten diseased symptoms and control distribution -
Efficient multiple cropping of cabbage, sweet potato seedlings, eggplant and cauliflower
Lettuce likes cold environment and is neither cold-resistant nor heat-resistant. Therefore, if you plant lettuce well, you should master the following technical links. First, the selection of varieties. When growing lettuce, we should choose varieties with good cold and heat tolerance and good stress resistance, such as ball lettuce, glass lettuce, mosaic lettuce and Caesar. Second, soil.
2018-09-12 -
Occurrence and Control measures of Maize aphids
Occurrence and Control measures of Maize aphids
2018-07-01 -
Epidemic characteristics and Countermeasures of Chicken Farm Blight
The main results are as follows: 1 at present, the epidemic characteristics of epidemic diseases in chicken farms are accelerated. The most prominent characteristics of large-scale chicken farming are large production scale and large number of chickens. The increase in the number of chickens has led to the acceleration of the spread of the disease among chickens. The disease resistance decreased. In large-scale chicken farms, producers will increase the stress factors of chickens in order to give full play to the production potential of chickens and keep the flocks in a highly tense production state, which will lead to abnormal endocrine and decreased disease resistance of sensitive chickens. Some in free-range conditions
2019-01-15 -
Occurrence and control of rice blast and rice planthopper
First, the occurrence of rice blast: Rice leaf blast has appeared in Helan, Qingtongxia and other places. The initial period is June 13, about 10 days earlier than last year. Especially after the rainfall on July 7 and 12, the humidity in the field is relatively high, which is very beneficial to the development of leaf blast. The average rate of disease fields in the recent general survey of Qingtongxia is 16.7%.
2018-09-13 -
Matters needing attention in the latest summer high temperature shed
Growing vegetables in greenhouse for more than five years, there are a lot of germs in the soil. With the continuous improvement of multiple cropping in greenhouse, soil-borne diseases are gradually raised, and the high temperature season is a good time to prevent and control the occurrence of diseases and insect pests.
2020-11-10 Latest summer high temperature stew shed matters needing attention greenhouse planting -
Benefits and techniques of multiple cropping of Rice and Zizania latifolia
Chongxian Town, Yuhang District, Hangzhou City is located in the plain water network zone, originally mainly to grow rice, but also some Zizania caduciflora, Pleurotus ostreatus, lotus root and other aquatic crops. In agricultural development and industrial structure adjustment, Chongxian Town made use of local soil and water resources, vigorously expanded the area of rice-Zizania caduciflora multiple cropping, and took Zizania caduciflora production as an efficient agriculture of the vegetable basket project. The district, town and village invested 2 million yuan to establish the Chongxian Village Zizania caduciflora demonstration Park. In 2005, Hangzhou Agricultural Comprehensive Development Office established it as a high-tech demonstration of national agricultural comprehensive development.
2019-01-15